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10th Mountain Division Records
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Arapahoe County Coroner's Reports, 1876-1891 Index
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  • All fields: Valdora
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    • Two nine and one-half cubic foot placer dredges, the Colorado Gold Dredging Co.

    • Two nine and one-half cubic foot placer dredges, the Colorado Gold Dredging Co.

    • View of Colorado Gold Dredging Company Bucyrus-built bucket-line hydraulic mine and processing boats, in the Swan River at Valdora, Summit County, Colorado. Tailings are piled between them; buildings are in the background.

    • Dredges--Colorado--Valdora--1900-1910.; Mining machinery--Colorado--Valdora--1900-1910.; Tailings embankments--Colorado--Valdora--1900-1910.; Swan River (Colo.)--1900-1910.; Valdora (Colo.)--1900-1910.; Gold mining--Colorado--Valdora--1900-1910.;...

    • 1908
    • Old dredge, at mouth of Swan River

    • Old dredge, at mouth of Swan River

    • View of a placer dredge at Valdora, Summit County, Colorado, in the Swan River. Gold miners pose on the Bucyrus-built hydraulic mine boat and processing plant.

    • Dredges--Colorado--Valdora--1900-1910.; Mining machinery--Colorado--Valdora--1900-1910.; Valdora (Colo.)--1900-1910.; Hydraulic mining--Colorado--Valdora--1900-1910.; Miners--Colorado--Valdora--1900-1910.; Mining--Colorado--Valdora--1900-1910.

    • 1905?

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